chamikaramj commented on code in PR #22612:
URL: https://github.com/apache/beam/pull/22612#discussion_r942007685


##########
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/pubsublite/internal/CheckpointMarkImpl.java:
##########
@@ -62,7 +66,11 @@ public CheckpointMarkImpl decode(InputStream inStream) 
throws IOException {
 
   @Override
   public void finalizeCheckpoint() {
-    checkState(committer.isPresent());
-    committer.get().commitOffset(offset);
+    try {
+      checkState(committer.isPresent());

Review Comment:
   finalizeCheckpoint call is best effort but does the current implementation 
rely on this being invoked exactly ?
   For example, will the reader read duplicate messages if a finalizeCheckpoint 
fails ?



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